Now showing items 1-8 of 8

  • Disentangling the secondary relaxations in the orientationally disordered mixed crystals: cycloheptanol + cyclooctanol two-component system 

    Martínez García, Julio Cesar; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos; Barrio Casado, María del; Rzosca, S. J.; Drozd Rzosca, A. (2010-04-20)
    Article
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    The dynamics of the pure compounds and mixed crystals formed between cycloheptanol (cC7-ol) and cyclooctanol (cC8-ol) has been studied by means of broadband dielectric spectroscopy at temperatures near and above the ...
  • Distortion-sensitive insight into the pretransitional behavior of 4-n-octyloxy-4 '-cyanobiphenyl (8OCB) 

    Rzoska, Sylwester J.; Drozd-Rzoska, Aleksandra; Mukherjee, Prabir K; López Pérez, David Orencio; Martínez García, Julio Cesar (Institute Of Physics Publishing Ltd, 2013-06)
    Article
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    Results of studies of the static and dynamic dielectric properties in rod-like 4-n-octyloxy-40-cyanobiphenyl (8OCB) with isotropic (I)–nematic (N)–smectic A (SmA)–crystal (Cr) mesomorphism, combined with measurements of ...
  • Dynamics of orientationally disordered mixed crystal sharing Cl-adamantane and CN-adamantane 

    Martínez García, Julio Cesar; Capaccioli, Simon; Díez Berart, Sergio; Tamarit Mur, José Luis; Barrio Casado, María del; Veglio, Néstor Raúl; Pardo Soto, Luis Carlos (2010-01-27)
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    Orientationally disordered (OD) mixed crystals formed between cyanoadamantane (CN-A) and chloroadamantane (Cl-A) have been thermodynamically characterized by means of thermal analysis and X-ray diffraction. The dynamics ...
  • Insight into the dynamics of low temperature dielectric relaxation of ordinary perovskite ferroelectrics 

    Levit Valenzuela, Rafael; Ochoa Guerrero, Diego A.; Martínez García, Julio Cesar; García García, José Eduardo (2017-11-10)
    Article
    Open Access
    The temperature dependence of the dielectric response of ordinary ferroelectric materials exhibits a frequency-independent anomalous peak as a manifestation of the ferroelectric to paraelectric phase transition. A second ...
  • Prevalence for the universal distribution of relaxation times near the glass transitions in experimental model systems: Rodlike liquid crystals and orientationally disordered crystals 

    Martínez García, Julio Cesar; Tamarit Mur, José Luis; Rzosca, S. J. (2011-04-13)
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    Recently, Nielsen et al. [J. Chem. Phys. 130, 154508 (2009); Philos. Mag. 88, 4101 (2008)] demonstrated a universal pattern for the high frequency wing of the loss curve for primary relaxation time on approaching the ...
  • Scaling the dynamics of orientationally disordered mixed crystals 

    Romanini, Michela; Martínez García, Julio Cesar; Tamarit Mur, José Luis; Rzosca, S. J.; Barrio Casado, María del; Pardo Soto, Luis Carlos; Drozd Rzosca, A. (2009-11-14)
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    The evolution of the primary relaxation time of orientationally disordered (OD) mixed crystals [(CH3)2C(CH2OH)2]1−X[(CH3)C(CH2OH)3]X, with 0<X ≤ 0.5, on approaching the glass temperature (Tg) is discussed. The application ...
  • Universal critical-like scaling of dynamics in plastic crystals 

    Martínez García, Julio Cesar; Tamarit Mur, José Luis; Rzosca, S. J.; Drozd Rzosca, A.; Pardo Soto, Luis Carlos; Barrio Casado, María del (2011-01-15)
    Article
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    Many theoretical models for the glassy dynamics have been proposed so far describing the changes in molecular dynamics along the extraordinary slowing down in the vitrification process of a disordered phase on cooling. ...
  • α-relaxation dynamics of orientationally disordered mixed crystals composed of Cl-adamantane and CN-adamantane 

    Martínez García, Julio Cesar; Tamarit Mur, José Luis; Capaccioli, Simon; Barrio Casado, María del; Veglio, Néstor Raúl; Pardo Soto, Luis Carlos (American Institute of Physics (AIP), 2010-04-29)
    Article
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    The α-relaxation dynamics of 1-cyano-adamantane (CNA) and its mixtures with 1-chloro-adamantane (ClA) has been studied by means of broadband dielectric spectroscopy. The existence of orientationally disordered (OD) face ...